Shelf for a merchandising rack



FIG. 1 is a perspective bottom view of a shelf for a mechandising rack showing my new design;

FIG. 2 is a side view thereof, the opposite side being a mirror image;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view. 

The ornamental design for a shelf for a merchandising rack, as shown and described. 